Sauer Danfoss 20 Series Service Manual

Name: Sauer Danfoss 20 Series
Brand: Sauer Danfoss
Rating: 5 (1 reviews)

36 pages

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Series 20

Axial Piston Pumps

Service Manual and

Repair Instructions

Series 20 Axial Piston Pumps_SR.indd 24.4.2002, 14:021

Introduction and Description2
Table of Contents3
Model Code4
Recommended Tools and Installation5
List of Tools Necessary for Minor Repairs and Maintenance of Units of All Sizes5
Additional Tools List for Complete Stripping of Units5
Measuring Instruments5
Trouble Shooting, Gauge Installation and Information6
Start-Up Procedure7
Preconditions for Trouble-Free Operation7
First-Time Operation8
Plumbing Installation (Variable Displac. Pump - Fixed Displac. Motor)10
System Circuit Description10
System Maintenance11
Inlet Filter (between Fluid Reservoir and Charge Pump)11
Changing the Oil11
Leak Test11
Cleanliness11
Checking of the Oil Level11
Recommended Oils11
Trouble Shooting12
Transmission Operates in One Direction Only12
System Response Is Sluggish12
Neutral Difficult or Impossible to Find13
System will Not Operate in Either Direction13
Inspection Instructions14
Checking the Charge Pressure14
Checking the Charge Pump14
Checking the Charge Check Valves14
Checking the Servo Valve (Control Valve)15
Disassembly and Assembly16
Sectional View16
Exploded View17
Minor Repairs18
Preparation for Assembly18
Mounting Block18
Changing the Shaft Seal Disassembly19
Changing the Shaft Seal Assembly20
Changing the Charge Pump and the Charge Check Valves21
Changing the Servo Valve (Control Valve)23
Major Repairs24
Changing the Valve and Bearing Plate Disassembly24
Changing the Valve and Bearing Plate Assembly25
Changing the Cylinder Block Kit Disassembly27
Changing the Cylinder Block Kit Assembly28
Changing the Swash Plate and Servo Piston Disassembly29
Changing the Swash Plate and Servo Piston Assembly31
Changing the Pump Shaft33
Installation Torque Values35

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Sauer Danfoss 20 Series Specifications

General

Brand	Sauer Danfoss
Model	20 Series
Category	Water Pump
Language	English

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Table of Contents

Questions and Answers:

Sauer Danfoss 20 Series Specifications

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